Method getTemplate

/**
 * Get a specific mail template
 *
 * @param   string  $key       Template identifier
 * @param   string  $language  Language code of the template
 *
 * @return  object|null  An object with the data of the mail, or null if the template not found in the db.
 *
 * @since   4.0.0
 */
public static function getTemplate($key, $language)
{
    $db = Factory::getDbo();
    $query = $db->getQuery(true);
    $query->select('*')->from($db->quoteName('#__mail_templates'))->where($db->quoteName('template_id') . ' = :key')->whereIn($db->quoteName('language'), ['', $language], ParameterType::STRING)->order($db->quoteName('language') . ' DESC')->bind(':key', $key);
    $db->setQuery($query);
    $mail = $db->loadObject();
    if ($mail) {
        $mail->params = new Registry($mail->params);
    }
    return $mail;
}